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UPC1944J Datasheet(PDF) 4 Page - NEC

Part # UPC1944J
Description  ADJUSTABLE PRECISION SHUNT REGULATORS
PDF  7 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1944J Datasheet(HTML) 4 Page - NEC

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Data Sheet G10239EJ3V0DS00
4
µµµµ PC1943,1944
TYPICAL CHARACTERISTIC (TA = +25
°°°°C, unless otherwise specified. Nominal)
PT vs TA ( I )
0
100
200
300
400
500
600
25
50
75
100
125
150
PC1944J
µ
PC1944GR
µ
PC1943T,
µ
1944T
260
°C/W
315
°C/W
TA - Operating Ambient Temperature -
°C
PT vs TA ( II )
0
0.5
1.0
1.5
2.0
25
50
75
100
125
150
PC1943T, 1944T
µ
with 16 cm
2
× 0.7 mm
ceramic substrate
TA - Operating Ambient Temperature -
°C
0
20406080
100 120
−20
−20
−40
−10
0
10
20
IK = 10 mA
VKA = VREF
TA - Operating Ambient Temperature -
°C
VREF vs TA
∆
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
1.0
2.0
VKA = VREF
VKA - Cathode Voltage - V
IK vs VKA ( I )
0.5
1.0
1.5
0
20
30
40
10
50
VKA = VREF
VKA - Cathode Voltage - V
IK vs VKA (II)
0
−10
−20
−30
−1.0
−0.8
−0.6
−0.4
−0.2
0
VKA = VREF
VKA - Cathode Voltage - V
IK vs VKA (III)



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